SDL v1.2 >> C/C++
Bezier
int bezierColor(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, int s, Uint32 color); int bezierRGBA(SDL_Surface * dst, Sint16 * vx, Sint16 * vy, int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
main.c
#include <stdio.h> #include <stdlib.h> #include <SDL.h> #include <SDL_gfxPrimitives.h> int main(int argc, char **argv) { Sint16 vx0[] = {100, 150, 250}; Sint16 vy0[] = {100, 200, 100}; SDL_Surface *screen = NULL; SDL_Init(SDL_INIT_VIDEO); screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE); bezierRGBA(screen, vx0, vy0, 3, 50, 0xff, 0x00, 0x00, 0xff); SDL_Flip(screen); SDL_Delay(3000); SDL_Quit(); return 0; }
編譯、執行
$ gcc main.c -o main -lSDL -lSDL_gfx -I/usr/include/SDL $ ./main